Welcome to the Orthodox Church

An Introduction to the Orthodox Worship Space

Join Frederica Mathewes-Green, in this video series, on a journey into the Eastern Orthodox Church. Learn about Orthodox teachings and dogma, Orthodox architecture and terminology, and what it means to live an Orthodox life. In this first video, Frederica introduces the basics of of the Orthodox worship space—the altar, the iconostasis, and iconography—in order to help […]

Animated Videos

55 Maxims for Christian Living

Memory eternal, Fr. Thomas Hopko! Below are the 55 Maxims in written form: 1. Be always with Christ. 2. Pray as you can, not as you want. 3. Have a keepable rule of prayer that you do by discipline. 4. Say the Lord’s Prayer several times a day. 5. Have a short prayer that you […]

Video Channels

Video Channels are designed to easily navigate the variety of videos on Theoria.tv – you can subscribe to your favorite contributors, including  Fr. Andrew Stephen Damick, Fr. Patrick Henry Reardon, and Frederica Mathewes-Green and many more. Once you subscribe to a channel, find your customized video watch list under “My Subscriptions.

Featured Videos

Saint Andrew’s Camp

Orthodox Christians need to support initiatives like this, because they depend on our donations. That’s why we are posting it here. If you can give, please consider donating to their gofundme campaign. Part responsibility during this Nativity Fast is to give alms – consider giving to this camp which helps our youth! Donate here At the […]

Theoria Produced Videos

5 Differences Between the Roman Catholic Church and the Eastern Orthodox Church

A lot of people are curious about the differences between the Roman Catholic Church and the Eastern Orthodox Church. From the outside, it might look like we are basically the same Church with the same practices and the same theology. While we do have some important things in common with our Roman Catholic brothers and sisters, […]

Ancient Faith Videos

Devotional from Fr. Patrick Henry Reardon, Day 2

Similar in structure to his first devotional, Fr. Patrick relates an anecdote, reads the daily gospel reading, and then presents a meditation on the reading. Let us know what you think in the comment section below! Related posts: Devotional from Fr. Patrick Henry Reardon, Day 1 Prayer of Saint Patrick: Christ with Me The Word […]

Patristic Nectar Films

“Watch Then Thyself”: Spiritual practice & Digital Culture

With the blessing of His All-Holiness Ecumenical Patriarch Bartholomew and through the agency of the St. Maximos the Greek Institute for the Research, Preservation and Promotion of Spiritual and Cultural Traditions in Greece, Father Maximos (Simonopetrides) delivered this lecture in Athens during the 1st International Conference on Digital Media and Orthodox Pastoral Care, May 7-9, […]